Staff Software Engineer — Java, AWS, Microservices

Commonwealth Bank; Sydney; On-site; AUD 190,000 - 260,000; Full time

Job summary

Commonwealth Bank in Sydney seeks a Staff Software Engineer to lead backend and integration services, building Java microservices on AWS and EKS, steering the team across Australia and India. You’ll guide modern cloud-native engineering practices and drive secure, scalable delivery for Know Your Customer initiatives.

You’ll champion DevSecOps, automation, and observable production systems, mentoring engineers while aligning product and technology stakeholders to deliver a robust in-house

Qualifications

• Strong hands-on Java software engineering and system design experience.
• (explicit Java/Backend focus)
• Experience designing and operating microservices and REST APIs in production.
• Practical AWS and Amazon EKS experience, including containerised workloads.
• Experience with CI/CD and Git-based development, ideally using GitHub Actions.
• Strong DevSecOps, automated testing, code review and observable production systems.
• Experience leading technical activities, mentoring engineers and influencing stakeholders.
• Familiarity with AI-assisted engineering tools and practices.
• Exposure to Kafka, event-driven architecture, NoSQL databases or financial services environments would be valuable.

Responsibilities

• Lead the technical design and delivery of backend and integration services.
• Design, build and operate Java microservices and REST APIs on AWS and Amazon EKS.
• Help shape event-driven solutions that integrate Customer Lifecycle Management capabilities with bank channels.
• Apply full-cycle engineering practices across design, build, challenge and run.
• Embed DevSecOps, automated testing, observability and reliable CI/CD practices.
• Provide technical direction, unblock delivery and help the squad make sound engineering decisions.
• Mentor software and senior software engineers, strengthening quality, consistency and engineering capability.
• Collaborate with product, business and technology stakeholders to translate complex needs into practical solutions.

Skills

Java backend

System design

Microservices

REST APIs

AWS & EKS

CI/CD

DevSecOps

Mentoring/leadership

AI-assisted tooling

Event-driven architecture

Kafka

NoSQL databases

Tools

AWS

Amazon EKS

GitHub Actions

Kafka

NoSQL databases

Job description

Commonwealth Bank in Sydney seeks a Staff Software Engineer to lead backend and integration services, building Java microservices on AWS and EKS, steering the team across Australia and India. You’ll guide modern cloud-native engineering practices and drive secure, scalable delivery for Know Your Customer initiatives.

You’ll champion DevSecOps, automation, and observable production systems, mentoring engineers while aligning product and technology stakeholders to deliver a robust in-house